Pith Number

pith:4NCEAH5B

pith:2022:4NCEAH5BAGQFOSNXQC67ADKWA4

not attested not anchored not stored refs pending

Exploring the influence of fine-tuning data on wav2vec 2.0 model for blind speech quality prediction

Alessandro Ragano, Andrew Hines, Helard Becerra

arxiv:2204.02135 v1 · 2022-04-05 · eess.AS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4NCEAH5BAGQFOSNXQC67ADKWA4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T04:11:36.921876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e344401fa101a05749b780bdf00d5607366d19cdfb95aaab7cfbe06e4bad0bfc

Aliases

arxiv: 2204.02135 · arxiv_version: 2204.02135v1 · doi: 10.48550/arxiv.2204.02135 · pith_short_12: 4NCEAH5BAGQF · pith_short_16: 4NCEAH5BAGQFOSNX · pith_short_8: 4NCEAH5B

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4NCEAH5BAGQFOSNXQC67ADKWA4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e344401fa101a05749b780bdf00d5607366d19cdfb95aaab7cfbe06e4bad0bfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c3e0ff33f4a2d3b5cffda33427849721a55a73660e05f456163e821c2f2e7c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2022-04-05T11:57:31Z",
    "title_canon_sha256": "bb6553260dc2f9b93d327c8f75fe3616429e4e470c4e9ba1c46a2ab0f59ed0df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.02135",
    "kind": "arxiv",
    "version": 1
  }
}